Fix broken link (#13861)

Currently link goes to: https://superset.apache.org/docs/docs/installation/installing-superset-using-docker-compose
It should go to: https://superset.apache.org/docs/installation/installing-superset-using-docker-compose

docs/src/pages/docs/introduction.mdx

@@ -15,7 +15,7 @@ Here are a **few different ways you can get started with Superset**:
 - Download the [source from Apache Foundation's website](https://dist.apache.org/repos/dist/release/superset/1.0.0/)
 - Download the latest Superset version from [Pypi here](https://pypi.org/project/apache-superset/)
 - Setup Superset locally with one command
-using [Docker Compose](docs/installation/installing-superset-using-docker-compose)
+using [Docker Compose](installation/installing-superset-using-docker-compose)
 - Download the [Docker image](https://hub.docker.com/r/apache/superset) from Dockerhub
 - Install the latest version of Superset
 [from Github](https://github.com/apache/superset/tree/latest)